[deliverable/linux.git] / drivers / infiniband / hw / nes / nes_verbs.h

/*
 * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
 * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#ifndef NES_VERBS_H
#define NES_VERBS_H

struct nes_device;

#define NES_MAX_USER_DB_REGIONS  4096
#define NES_MAX_USER_WQ_REGIONS  4096

#define NES_TERM_SENT            0x01
#define NES_TERM_RCVD            0x02
#define NES_TERM_DONE            0x04

struct nes_ucontext {
	struct ib_ucontext ibucontext;
	struct nes_device  *nesdev;
	unsigned long      mmap_wq_offset;
	unsigned long      mmap_cq_offset; /* to be removed */
	int                index;		/* rnic index (minor) */
	unsigned long      allocated_doorbells[BITS_TO_LONGS(NES_MAX_USER_DB_REGIONS)];
	u16                mmap_db_index[NES_MAX_USER_DB_REGIONS];
	u16                first_free_db;
	unsigned long      allocated_wqs[BITS_TO_LONGS(NES_MAX_USER_WQ_REGIONS)];
	struct nes_qp      *mmap_nesqp[NES_MAX_USER_WQ_REGIONS];
	u16                first_free_wq;
	struct list_head   cq_reg_mem_list;
	struct list_head   qp_reg_mem_list;
	u32                mcrqf;
	atomic_t	   usecnt;
};

struct nes_pd {
	struct ib_pd ibpd;
	u16          pd_id;
	atomic_t     sqp_count;
	u16          mmap_db_index;
};

struct nes_mr {
	union {
		struct ib_mr  ibmr;
		struct ib_mw  ibmw;
		struct ib_fmr ibfmr;
	};
	struct ib_umem    *region;
	u16               pbls_used;
	u8                mode;
	u8                pbl_4k;
	__le64            *pages;
	dma_addr_t        paddr;
	u32               max_pages;
	u32		  npages;
};

struct nes_hw_pb {
	__le32 pa_low;
	__le32 pa_high;
};

struct nes_vpbl {
	dma_addr_t       pbl_pbase;
	struct nes_hw_pb *pbl_vbase;
};

struct nes_root_vpbl {
	dma_addr_t       pbl_pbase;
	struct nes_hw_pb *pbl_vbase;
	struct nes_vpbl  *leaf_vpbl;
};

struct nes_fmr {
	struct nes_mr        nesmr;
	u32                  leaf_pbl_cnt;
	struct nes_root_vpbl root_vpbl;
	struct ib_qp         *ib_qp;
	int                  access_rights;
	struct ib_fmr_attr   attr;
};

struct nes_av;

struct nes_cq {
	struct ib_cq     ibcq;
	struct nes_hw_cq hw_cq;
	u32              polled_completions;
	u32              cq_mem_size;
	spinlock_t       lock;
	u8               virtual_cq;
	u8               pad[3];
	u32		 mcrqf;
};

struct nes_wq {
	spinlock_t lock;
};

struct disconn_work {
	struct work_struct    work;
	struct nes_qp         *nesqp;
};

struct iw_cm_id;
struct ietf_mpa_frame;

struct nes_qp {
	struct ib_qp          ibqp;
	void                  *allocated_buffer;
	struct iw_cm_id       *cm_id;
	struct nes_cq         *nesscq;
	struct nes_cq         *nesrcq;
	struct nes_pd         *nespd;
	void *cm_node; /* handle of the node this QP is associated with */
	void                  *ietf_frame;
	u8                    ietf_frame_size;
	dma_addr_t            ietf_frame_pbase;
	struct ib_mr          *lsmm_mr;
	struct nes_hw_qp      hwqp;
	struct work_struct    work;
	enum ib_qp_state      ibqp_state;
	u32                   iwarp_state;
	u32                   hte_index;
	u32                   last_aeq;
	u32                   qp_mem_size;
	atomic_t              refcount;
	atomic_t              close_timer_started;
	u32                   mmap_sq_db_index;
	u32                   mmap_rq_db_index;
	spinlock_t            lock;
	spinlock_t            pau_lock;
	struct nes_qp_context *nesqp_context;
	dma_addr_t            nesqp_context_pbase;
	void	              *pbl_vbase;
	dma_addr_t            pbl_pbase;
	struct page           *page;
	struct timer_list     terminate_timer;
	enum ib_event_type    terminate_eventtype;
	struct sk_buff_head   pau_list;
	u32                   pau_rcv_nxt;
	u16                   active_conn:1;
	u16                   skip_lsmm:1;
	u16                   user_mode:1;
	u16                   hte_added:1;
	u16                   flush_issued:1;
	u16                   destroyed:1;
	u16                   sig_all:1;
	u16                   pau_mode:1;
	u16                   rsvd:8;
	u16                   private_data_len;
	u16                   term_sq_flush_code;
	u16                   term_rq_flush_code;
	u8                    hw_iwarp_state;
	u8                    hw_tcp_state;
	u8                    term_flags;
	u8                    sq_kmapped;
	u8                    pau_busy;
	u8                    pau_pending;
	u8                    pau_state;
	__u64                 nesuqp_addr;
};
#endif			/* NES_VERBS_H */
Commit	Line	Data
3c2d774c	1	/*
c5488c57	2	* Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved.
3c2d774c GS	3	* Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
	4	*
	5	* This software is available to you under a choice of one of two
	6	* licenses. You may choose to be licensed under the terms of the GNU
	7	* General Public License (GPL) Version 2, available from the file
	8	* COPYING in the main directory of this source tree, or the
	9	* OpenIB.org BSD license below:
	10	*
	11	* Redistribution and use in source and binary forms, with or
	12	* without modification, are permitted provided that the following
	13	* conditions are met:
	14	*
	15	* - Redistributions of source code must retain the above
	16	* copyright notice, this list of conditions and the following
	17	* disclaimer.
	18	*
	19	* - Redistributions in binary form must reproduce the above
	20	* copyright notice, this list of conditions and the following
	21	* disclaimer in the documentation and/or other materials
	22	* provided with the distribution.
	23	*
	24	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	25	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	26	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	27	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	28	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	29	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	30	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	31	* SOFTWARE.
	32	*
	33	*/
	34
	35	#ifndef NES_VERBS_H
	36	#define NES_VERBS_H
	37
	38	struct nes_device;
	39
	40	#define NES_MAX_USER_DB_REGIONS 4096
	41	#define NES_MAX_USER_WQ_REGIONS 4096
	42
8b1c9dc4 DW	43	#define NES_TERM_SENT 0x01
	44	#define NES_TERM_RCVD 0x02
	45	#define NES_TERM_DONE 0x04
	46
3c2d774c GS	47	struct nes_ucontext {
	48	struct ib_ucontext ibucontext;
	49	struct nes_device *nesdev;
	50	unsigned long mmap_wq_offset;
	51	unsigned long mmap_cq_offset; /* to be removed */
	52	int index; /* rnic index (minor) */
	53	unsigned long allocated_doorbells[BITS_TO_LONGS(NES_MAX_USER_DB_REGIONS)];
	54	u16 mmap_db_index[NES_MAX_USER_DB_REGIONS];
	55	u16 first_free_db;
	56	unsigned long allocated_wqs[BITS_TO_LONGS(NES_MAX_USER_WQ_REGIONS)];
	57	struct nes_qp *mmap_nesqp[NES_MAX_USER_WQ_REGIONS];
	58	u16 first_free_wq;
	59	struct list_head cq_reg_mem_list;
	60	struct list_head qp_reg_mem_list;
	61	u32 mcrqf;
	62	atomic_t usecnt;
	63	};
	64
	65	struct nes_pd {
	66	struct ib_pd ibpd;
	67	u16 pd_id;
	68	atomic_t sqp_count;
	69	u16 mmap_db_index;
	70	};
	71
	72	struct nes_mr {
	73	union {
	74	struct ib_mr ibmr;
	75	struct ib_mw ibmw;
	76	struct ib_fmr ibfmr;
	77	};
	78	struct ib_umem *region;
	79	u16 pbls_used;
	80	u8 mode;
	81	u8 pbl_4k;
0ba24dd3 SG	82	__le64 *pages;
	83	dma_addr_t paddr;
	84	u32 max_pages;
	85	u32 npages;
3c2d774c GS	86	};
	87
	88	struct nes_hw_pb {
	89	__le32 pa_low;
	90	__le32 pa_high;
	91	};
	92
	93	struct nes_vpbl {
	94	dma_addr_t pbl_pbase;
	95	struct nes_hw_pb *pbl_vbase;
	96	};
	97
	98	struct nes_root_vpbl {
	99	dma_addr_t pbl_pbase;
	100	struct nes_hw_pb *pbl_vbase;
	101	struct nes_vpbl *leaf_vpbl;
	102	};
	103
	104	struct nes_fmr {
	105	struct nes_mr nesmr;
	106	u32 leaf_pbl_cnt;
	107	struct nes_root_vpbl root_vpbl;
	108	struct ib_qp *ib_qp;
	109	int access_rights;
	110	struct ib_fmr_attr attr;
	111	};
	112
	113	struct nes_av;
	114
	115	struct nes_cq {
	116	struct ib_cq ibcq;
	117	struct nes_hw_cq hw_cq;
	118	u32 polled_completions;
	119	u32 cq_mem_size;
	120	spinlock_t lock;
	121	u8 virtual_cq;
	122	u8 pad[3];
5d1af5c8	123	u32 mcrqf;
3c2d774c GS	124	};
	125
	126	struct nes_wq {
	127	spinlock_t lock;
	128	};
	129
873fcdd4 DW	130	struct disconn_work {
	131	struct work_struct work;
	132	struct nes_qp *nesqp;
	133	};
	134
3c2d774c GS	135	struct iw_cm_id;
	136	struct ietf_mpa_frame;
	137
	138	struct nes_qp {
	139	struct ib_qp ibqp;
	140	void *allocated_buffer;
	141	struct iw_cm_id *cm_id;
3c2d774c GS	142	struct nes_cq *nesscq;
	143	struct nes_cq *nesrcq;
	144	struct nes_pd *nespd;
	145	void cm_node; / handle of the node this QP is associated with */
615eb715 TN	146	void *ietf_frame;
615eb715 TN	147	u8 ietf_frame_size;
3c2d774c	148	dma_addr_t ietf_frame_pbase;
c12e56ef	149	struct ib_mr *lsmm_mr;
3c2d774c GS	150	struct nes_hw_qp hwqp;
3c2d774c GS	151	struct work_struct work;
3c2d774c GS	152	enum ib_qp_state ibqp_state;
	153	u32 iwarp_state;
	154	u32 hte_index;
	155	u32 last_aeq;
	156	u32 qp_mem_size;
	157	atomic_t refcount;
	158	atomic_t close_timer_started;
	159	u32 mmap_sq_db_index;
	160	u32 mmap_rq_db_index;
	161	spinlock_t lock;
0f0bee8b	162	spinlock_t pau_lock;
3c2d774c GS	163	struct nes_qp_context *nesqp_context;
	164	dma_addr_t nesqp_context_pbase;
	165	void *pbl_vbase;
	166	dma_addr_t pbl_pbase;
	167	struct page *page;
8b1c9dc4 DW	168	struct timer_list terminate_timer;
8b1c9dc4 DW	169	enum ib_event_type terminate_eventtype;
0f0bee8b FL	170	struct sk_buff_head pau_list;
0f0bee8b FL	171	u32 pau_rcv_nxt;
d14152da CT	172	u16 active_conn:1;
	173	u16 skip_lsmm:1;
	174	u16 user_mode:1;
	175	u16 hte_added:1;
	176	u16 flush_issued:1;
	177	u16 destroyed:1;
d14152da	178	u16 sig_all:1;
0f0bee8b FL	179	u16 pau_mode:1;
0f0bee8b FL	180	u16 rsvd:8;
3c2d774c	181	u16 private_data_len;
4b281fae DW	182	u16 term_sq_flush_code;
4b281fae DW	183	u16 term_rq_flush_code;
3c2d774c	184	u8 hw_iwarp_state;
3c2d774c	185	u8 hw_tcp_state;
8b1c9dc4	186	u8 term_flags;
d2fa9b26	187	u8 sq_kmapped;
0f0bee8b FL	188	u8 pau_busy;
	189	u8 pau_pending;
	190	u8 pau_state;
43adff39	191	__u64 nesuqp_addr;
3c2d774c GS	192	};
3c2d774c GS	193	#endif /* NES_VERBS_H */